Calphalon One Nonstick 8-Piece Cookware Set Includes 3-quart nonstick chef's pan, 4-1/2-quart nonstick saucepan, 8-quart nonstick stockpot (all with lids); 8- and 10-inch nonstick fry pans Four interlocking nonstick layers on interior; advanced release polymer to prevent staining on exterior Stainless-steel ergonomic handles stay cool; glass lids oven-safe to 450 degrees F For gas, electric, ceramic stovetops; oven-safe to 500 degrees F Hand-washing recommended; lifetime warranty; made in USA